Prefix Information

The prefix 421 is part of area code 539 serving Tulsa, Oklahoma.

This exchange contains 10,000 possible phone numbers (539-421-0000 through 539-421-9999).

Browse Numbers in This Prefix

539-421-0000-0999 539-421-1000-1999 539-421-2000-2999 539-421-3000-3999 539-421-4000-4999 539-421-5000-5999 539-421-6000-6999 539-421-7000-7999 539-421-8000-8999 539-421-9000-9999

Sample Numbers

(539) 421-0000 (539) 421-1234 (539) 421-2000 (539) 421-3333 (539) 421-4444 (539) 421-5555 (539) 421-6000 (539) 421-7777 (539) 421-8888 (539) 421-9999